High-Resolution Nanoscale Solid-State Nuclear Magnetic Resonance Spectroscopy
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Abstract:
We present a new method for high-resolution nanoscale magnetic resonance imaging (nano-MRI) that combines the high spin sensitivity of nanowire-based magnetic resonance detection with high-spectral-resolution nuclear magnetic resonance (NMR) spectroscopy. Using a new method that incorporates average Hamiltonian theory into optimal control pulse engineering, we demonstrate NMR pulses that achieve high-fidelity quantum control of nuclear spins in nanometer-scale ensembles. We apply this capability to perform dynamical decoupling experiments that achieve a factor of 500 reduction of the proton-spin resonance linewidth in a (50−nm)3 volume of polystyrene. We make use of the enhanced spin coherence times to perform Fourier-transform imaging of proton spins with a one-dimensional slice thickness below 2 nm.Received 20 July 2017Revised 10 January 2018DOI:https://doi.org/10.1103/PhysRevX.8.011030Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.Published by the American Physical SocietyPhysics Subject Headings (PhySH)Research AreasCompositionQuantum controlPhysical SystemsNanowiresTechniquesMagnetic resonance imagingNuclear magnetic resonanceCondensed Matter, Materials & Applied PhysicsCarbon-13 NMR satellite
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNormal Angle Spinning Dipolar Spectroscopy for Structural Studies by Solid-State Nuclear Magnetic ResonanceRobert TyckoCite this: J. Am. Chem. Soc. 1994, 116, 5, 2217–2218Publication Date (Print):March 1, 1994Publication History Published online1 May 2002Published inissue 1 March 1994https://pubs.acs.org/doi/10.1021/ja00084a101https://doi.org/10.1021/ja00084a101research-articleACS PublicationsRequest reuse permissionsArticle Views64Altmetric-Citations25LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
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The application of high-resolution solid-state NMR spectroscopy to structural and dynamical analyses of solid peptides, polypeptides, calixalene, conductive polymers, polyesters and poly (ethylene oxide) in the solid state have been introduced. It has been demonstrated that the high-resolution solid-state NMR spectroscopy is a very powerful means for elucidating the structure and dynamics of molecules in the solid state.
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Two-dimensional (13)C-(13)C correlation experiments are widely employed in structure determination of protein assemblies using solid-state nuclear magnetic resonance. Here, we investigate the process of (13)C-(13)C magnetisation transfer at a moderate magic-angle-spinning frequency of 30 kHz using some of the prominent second-order dipolar recoupling schemes. The effect of isotropic chemical-shift difference and spatial distance between two carbons and amplitude of radio frequency on (1)H channel on the magnetisation transfer efficiency of these schemes is discussed in detail.
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